[jira] [Resolved] (CAMEL-8923) Kafka: Topic name lookup from message headers in the producer causes infinite loop

["Willem Jiang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-8923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Willem Jiang resolved CAMEL-8923.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.16.0

Added the option of bridgeEndpoint.

> Kafka: Topic name lookup from message headers in the producer causes infinite loop
> ----------------------------------------------------------------------------------
>
>                 Key: CAMEL-8923
>                 URL: https://issues.apache.org/jira/browse/CAMEL-8923
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-kafka
>    Affects Versions: 2.15.1
>            Reporter: RAHUL JAIN
>            Assignee: Willem Jiang
>             Fix For: 2.16.0
>
>
> Refer changes done for CAMEL-7331
> The change causes a critical bug.
> For a camel route as follows:
> {code}
> from("kafka://<broker>?topic=T1")
> .process(myProcessor)
> .to("kafka://<broker>?topic=T2")
> {code}
> KafkaExchange will be created by KafkaConsumer and the topic will be set to "T1" in the header.
> For the 'to' endpoint, KafkaProducer will try to read the topic from the exchange header which is still "T1" instead of "T2" thereby causing an infinite loop.
> As discussed in user-group, a different header should be used to read the topic name from message. 



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